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IBM Unveils Meter-Scale Superconducting L-Couplers: Connecting Dual 120-Qubit ...
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Fusion42 · 27 October 2026 · Fusion42 review
IBM Quantum has demonstrated meter-scale superconducting interconnects (L-couplers) linking dual 120-qubit processors, achieving high fidelity quantum state transfer and distant entangling gates, marking a key step toward modular fault-tolerant quantum computing planned for 2029.
This Wire brief sits within Fusion42's coverage of Quantum Computing.
◆ ◆ The Wire takeaway
You can now plan around IBM's shift to modular quantum processors linked by reliable meter-long superconducting interconnects. This breakthrough opens a roadmap to scalable fault-tolerant quantum machines you can build on or integrate with.
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1 source · 27 Oct 2026
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